public void AddSprite(int portalNumber, Actor spr)
{
(portalNumber == 0 ? mInPortal1 : mInPortal2).Add(spr);
mState = PortalState.InUse;
}
private void HandleSpriteInPortal(Actor spr, Sprite portalIn, Sprite portalOut, float currentTime)
{
spr.PortalAngle = MathHelper.WrapAngle(MathHelper.PiOver2 * (2 - (portalIn.Oriented - portalOut.Oriented)));
Matrix rotation = Matrix.CreateRotationZ(spr.PortalAngle);
Vector2 dXY = new Vector2(spr.Position.X - portalIn.CollisionSurface.Center.X,
spr.Position.Y - portalIn.CollisionSurface.Center.Y);
spr.PortalPosition = new Vector2(portalOut.CollisionSurface.Center.X, portalOut.CollisionSurface.Center.Y) + Vector2.Transform(dXY, rotation);
bool swap = false;
switch (portalIn.Oriented)
{
case Orientation.Up:
swap = portalIn.CollisionSurface.Center.Y < spr.CollisionSurface.Center.Y;
break;
case Orientation.Right:
swap = portalIn.CollisionSurface.Center.X > spr.CollisionSurface.Center.X;
break;
case Orientation.Down:
swap = portalIn.CollisionSurface.Center.Y > spr.CollisionSurface.Center.Y;
break;
case Orientation.Left:
swap = portalIn.CollisionSurface.Center.X < spr.CollisionSurface.Center.X;
break;
default:
break;
}
if (swap && (currentTime - spr.LastSwapTime > .2))
{
spr.LastSwapTime = currentTime;
var temp = spr.PortalPosition;
spr.PortalPosition = spr.Position;
spr.Position = temp;
var temp2 = spr.PortalAngle;
spr.PortalAngle = spr.Angle;
spr.Angle = temp2;
spr.Velocity = Vector2.Transform(spr.Velocity, rotation);
spr.Acceleration = Vector2.Transform(spr.Acceleration, rotation);
if (portalOut.Oriented == Orientation.Up)
spr.Velocity += 25 * new Vector2(0, -1);
}
spr.PortalUpdateDependents();
}